CN109037805A - A method of the battery system of control electric vehicle - Google Patents
A method of the battery system of control electric vehicle Download PDFInfo
- Publication number
- CN109037805A CN109037805A CN201810887537.2A CN201810887537A CN109037805A CN 109037805 A CN109037805 A CN 109037805A CN 201810887537 A CN201810887537 A CN 201810887537A CN 109037805 A CN109037805 A CN 109037805A
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- CN
- China
- Prior art keywords
- battery
- battery pack
- electric vehicle
- incident heat
- packs
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of methods of battery system for controlling electric vehicle, the battery system includes multiple battery packs, each battery pack includes pressure sensor and multiple battery units for being electrically connected, it is characterized in that, the method also includes: signal of the incident heat at least based on the pressure sensor from the first battery pack is detected, the first battery pack in multiple battery packs;In response to the incident heat detected, the first battery is cooled back into the second battery pack more than multiple battery packs.
Description
Technical field
The present invention relates to electric vehicle fields, in particular to a kind of method of battery system for controlling electric vehicle.
Background technique
Electric car refers to using vehicle power supply as power, with motor driven wheels travel, meets road traffic, security legislation
The vehicle of requirements.It is started using the electricity stored in the battery.Use 12 or 24 pieces of batteries sometimes when driving automobile,
Sometimes it then needs more.The composition of electric car includes: to be driven by electricity and the mechanical systems, complete such as control system, driving force transmission
At the equipment etc. of assigned tasks.It is driven by electricity and control system is the core of electric car, and be different from I. C. engine steam
The maximum difference of vehicle.It is driven by electricity and control system is by groups such as the speed-regulating control devices of drive motor, power supply and motor
At.Other devices of electric car are substantially identical as internal-combustion engines vehicle.Power supply for the drive motor of electric car for providing
The electric energy of power supply is converted mechanical energy by electric energy, motor.Most widely used power supply is lead-acid accumulator, but with electronic vapour
The development of driving skills art, for lead-acid accumulator since energy is low, charging rate is slow, and the service life is short, gradually replaced other batteries.Just
Mainly there are sodium-sulphur battery, nickel-cadmium cell, lithium battery, fuel cell etc., the application of these novel power supplies, for electricity in the power supply of development
The development of electrical automobile opens wide prospect.
The control of battery system is the field that this field lacks research.
Summary of the invention
The invention proposes a kind of methods of battery system for controlling electric vehicle, which includes multiple batteries
Group, each battery pack include pressure sensor and multiple battery units for being electrically connected, which is characterized in that the method is also
It include: the signal for detecting incident heat at least based on the pressure sensor from the first battery pack, the first electricity in multiple battery packs
Pond group;In response to the incident heat detected, the first battery is cooled back into the second battery pack more than multiple battery packs.
Further, cooling first battery reverse includes the cooling rate increase institute relative to second battery pack
State the cooling rate of the first battery pack.
Further, increasing cooling rate includes increasing coolant relative to the coolant flow by the second battery pack to pass through
The flow of first battery pack.
Further, the flowing for increasing coolant includes that coolant flow is redirected to the first battery from the second battery pack
Group.
It further, further include message of the display about the incident heat detected in the display equipment of electric vehicle.
Further, display message includes the instruction that electric vehicle is exited in display.
It further, further include the position sent the information about the incident heat detected to outside electric vehicle.
Further, further includes: in response to detecting the incident heat, at least partly power off the electric vehicle.
Further, it includes predetermined after detecting the incident heat at least partly making the electric vehicle power-off
The essentially all electric power from the battery system is closed after time quantum.
Specific embodiment
In order to enable the objectives, technical solutions, and advantages of the present invention are more clearly understood, below in conjunction with embodiment, to this
Invention is further elaborated;It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.To those skilled in the art, after access is described in detail below, other systems of the present embodiment
System, method and/or feature will become obvious.All such additional systems, method, feature and advantage are intended to be included in
It in this specification, is included within the scope of the invention, and by the protection of the appended claims.In description described in detail below
The other feature of the disclosed embodiments, and these characteristic roots will be apparent according to described in detail below.
Embodiment one.
The method that the present embodiment explains the battery system of the control electric vehicle, which includes multiple batteries
Group, each battery pack include pressure sensor and multiple battery units for being electrically connected, which is characterized in that the method is also
It include: the signal for detecting incident heat at least based on the pressure sensor from the first battery pack, the first electricity in multiple battery packs
Pond group;In response to the incident heat detected, the first battery is cooled back into the second battery pack more than multiple battery packs.
Further, cooling first battery reverse includes the cooling rate increase institute relative to second battery pack
State the cooling rate of the first battery pack.Increasing cooling rate includes increasing cooling relative to by the coolant flow of the second battery pack
Agent passes through the flow of the first battery pack.The flowing for increasing coolant includes that coolant flow is redirected to first from the second battery pack
Battery pack.It further include message of the display about the incident heat detected in the display equipment of electric vehicle.Show that message includes
The instruction of electric vehicle is exited in display.It further include the position sent the information about the incident heat detected to outside electric vehicle
It sets.Further include: in response to detecting the incident heat, at least partly power off the electric vehicle.At least partly make institute
Stating electric vehicle power-off includes closing after detecting the predetermined time amount after the incident heat from the battery system
Essentially all electric power.
Embodiment two.
A method of the battery system of control electric vehicle, the battery system includes multiple battery packs, each battery
Group includes the multiple battery units being electrically coupled together, comprising: is connect from the one or more sensors for being coupled to each battery pack
Receive data.The multiple battery pack, one or more of sensors include pressure sensor;Based on received data, inspection
Survey the incident heat in the first battery pack of the multiple battery pack;And the second electricity in response to detection, relative to battery system
The cooling rate of pond group improves the cooling rate of the first battery pack.It further include the pre- timing after detecting the incident heat
The essentially all electric power from the battery system is closed after the area of a room.It further include being shown in response to detecting the incident heat
Show about the instruction for exiting the vehicle.It further include in response to detecting incident heat, by the information about the incident heat detected
It is transmitted wirelessly to the position far from electric vehicle.The received data packet, which includes, receives instruction one from first battery pack
Or the data of the gas of multiple battery unit releases.Wherein, increasing cooling rate includes by coolant flow from second battery
Group is redirected to first battery pack.
Embodiment three.
The present embodiment constructs a kind of electric vehicle, comprising: battery system, including multiple battery packs, each battery pack packet
The multiple battery units for including pressure sensor and being electrically connected;Control system is configured as: at least based on from first
Incident heat in the first battery pack of the signal of the pressure sensor of battery pack to detect multiple battery packs;In response to what is detected
First battery is cooled back the second battery pack more than multiple battery packs by incident heat.Wherein each battery of the battery system
Group further includes humidity sensor, and the control system is configured as the gas discharged based on instruction from least one battery unit
The data of body detect the incident heat.Multiple battery units in first battery pack.Wherein, the control system is also matched
It is set in response to detecting the incident heat, the information about detected incident heat is transmitted wirelessly to far from the electricity
The position of motor-car.Wherein, the control system is additionally configured at least partly make in response to detecting the incident heat
The electric vehicle power-off.Further include display device, the display device be configured to respond to detect the incident heat and
Display is about the instruction for exiting the vehicle.
Although describing the present invention by reference to various embodiments above, but it is to be understood that of the invention not departing from
In the case where range, many changes and modifications can be carried out.That is methods discussed above, system and equipment are examples.
Various configurations can be omitted suitably, replace or add various processes or component.For example, in alternative configuration, can with institute
The order in a different order of description executes method, and/or can add, and omits and/or combine the various stages.Moreover, about certain
The feature of a little configuration descriptions can be combined with various other configurations.The different aspect and member of configuration can be combined in a similar way
Element.In addition, technology develops, therefore, many elements are examples, are not intended to limit the range of the disclosure or claims.
Give detail in the description to provide to the thorough understanding for including the exemplary configuration realized.However,
Configuration can be practiced without these specific details for example, having been illustrated with well-known circuit, and process is calculated
Method, structure and technology are without unnecessary details, to avoid fuzzy configuration.The description only provides example arrangement, and unlimited
The scope of the claims processed, applicability or configuration.It is used on the contrary, front will provide the description of configuration for those skilled in the art
Realize the enabled description of described technology.It, can be to the function of element without departing from the spirit or the scope of the present disclosure
It can and arrange and carry out various changes.
In addition, many operations can be in parallel or concurrently although each operation can describe the operations as sequential process
It executes.Furthermore it is possible to rearrange the sequence of operation.One process may have other steps.Furthermore, it is possible to by hardware, it is soft
Part, firmware, middleware, microcode, hardware description language or any combination thereof carry out the example of implementation method.When in software, firmware,
When realizing in middleware or microcode, program code or code segment for executing necessary task can store to be situated between in such as storage
In the non-transitory computer-readable medium of matter, and described task is executed by processor.
To sum up, be intended to foregoing detailed description be considered as it is illustrative and not restrictive, and it is to be understood that below
Claim (including all equivalents) is intended to limit the spirit and scope of the present invention.The above embodiment is interpreted as only using
In illustrating the present invention rather than limit the scope of the invention.After the content for having read record of the invention, technology
Personnel can make various changes or modifications the present invention, these equivalence changes and modification equally fall into the claims in the present invention and limited
Fixed range.
Claims (9)
1. a kind of method for the battery system for controlling electric vehicle, which includes multiple battery packs, each battery pack packet
The multiple battery units for including pressure sensor and being electrically connected, which is characterized in that the method also includes: detection incident heat
Signal at least based on the pressure sensor from the first battery pack, the first battery pack in multiple battery packs;In response to detection
First battery is cooled back the second battery pack more than multiple battery packs by the incident heat arrived.
2. the method according to claim 1, wherein cooling first battery reverse includes relative to described the
The cooling rate of two battery packs increases the cooling rate of first battery pack.
3. according to the method described in claim 2, it is characterized in that, increasing cooling rate includes relative to by the second battery pack
Coolant flow increase coolant and pass through the flow of the first battery pack.
4. according to the method described in claim 3, it is characterized in that, the flowing for increasing coolant includes by coolant flow from second
Battery pack is redirected to the first battery pack.
5. method as claimed in claim 4, which is characterized in that further include showing in the display equipment of electric vehicle about inspection
The message of the incident heat measured.
6. method as claimed in claim 5, which is characterized in that display message includes the instruction that electric vehicle is exited in display.
7. method as claimed in claim 6, which is characterized in that further include sending the information about the incident heat detected to
Position outside electric vehicle.
8. the method according to the description of claim 7 is characterized in that further include: in response to detecting the incident heat, at least portion
Ground is divided to power off the electric vehicle.
9. according to the method described in claim 8, it is characterized in that, the electric vehicle power-off is at least partly made to be included in inspection
It measures and closes the essentially all electric power from the battery system after the predetermined time amount after the incident heat.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810887537.2A CN109037805A (en) | 2018-08-06 | 2018-08-06 | A method of the battery system of control electric vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810887537.2A CN109037805A (en) | 2018-08-06 | 2018-08-06 | A method of the battery system of control electric vehicle |
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CN109037805A true CN109037805A (en) | 2018-12-18 |
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CN201810887537.2A Withdrawn CN109037805A (en) | 2018-08-06 | 2018-08-06 | A method of the battery system of control electric vehicle |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108263233A (en) * | 2018-01-24 | 2018-07-10 | 北京新能源汽车股份有限公司 | A kind of cooling system of vehicle and vehicle |
US20180212288A1 (en) * | 2016-12-07 | 2018-07-26 | Proterra Inc. | Thermal event detection and management system for an electric vehicle |
CN207664202U (en) * | 2017-12-20 | 2018-07-27 | 吉林大学 | A kind of power battery thermal management system |
-
2018
- 2018-08-06 CN CN201810887537.2A patent/CN109037805A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180212288A1 (en) * | 2016-12-07 | 2018-07-26 | Proterra Inc. | Thermal event detection and management system for an electric vehicle |
CN207664202U (en) * | 2017-12-20 | 2018-07-27 | 吉林大学 | A kind of power battery thermal management system |
CN108263233A (en) * | 2018-01-24 | 2018-07-10 | 北京新能源汽车股份有限公司 | A kind of cooling system of vehicle and vehicle |
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Application publication date: 20181218 |